Sparks-Withington-Co-365 电路原理图.pdf

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1、MANUAL OF I9S3 MOST-OFTEN-NEEDED RADIO DIAGRAMS SPARTON SUPERHETERODYNE RADIO RECEIVER CHASSIS TYPE 5B3 & 5B3C MODELS 320C , 325C, 32IC, 329C, 360,361,365 & 369 STEP BY STEP ALIGNMENT PROCEDURE GENERATOR TUNING ALIGNMENT CONNECTED DUMMT GENERATOR COND. OF TO ANTENNA FREQUENCY SETTING .02 MFD. Cond.

2、456 XC. Fully Open Driver Loop 1500 KC. 1500 KC Slug T-2 Top Jc Bottom C2D Osc. Tr. C2B Ant. Tr. Peak Accurately Peak Accurately Peak Accura Repeat operatlona 1 and 2 Check callbratlona at 600. 1000 and 1$00 XC. * Use driver loop. * Trimmer C2D as shown on schematic is preset at factory and only on

3、certain conditions will have to be re-adjusted in the field. This trimmer is located on bottom side of gang. * Rock dial while adjusting for maximum output. O OHO O LOOP PADDER ANTENNA L-1 T-3 C2B *1 s a. o 3 M n TOP VIEW * timer unit & appliance outlet on sbjc only. AC SWITCH IN 5B3 ON VOLUME CONTR

4、OL. AC. SWITCH IN 5B3C IN TIMER UNIT. I2BE6 CONV. I2BA6 I.F, AMP. I2AV6 2ND DET. A.V.C .01 CI4 -L 1 002 X *4 470K i 4- I 22RM#ft Ki2 1 100 5?C7 1-05-200 V .1 Hf j 400V. PA4000 ON 5B3 PA4006 ON 5B3C . POWER CORD *W A.C. SWITCH * A1 TIMER MOTOR * - INDICATES CONNECTION TO B- BUSS, NOT CHASSIS. /tW INDICATES CHASSIS CONNECTION. I2AV6 I2BE6 I2BA6 S0C5 4/3 4/3 3./N.4 4/V3 M-il J+ CI7A + CI7B -Tso -T*o RECT- 35W4 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN